The Education authorities directory and annual 1989
School Government Publishing Co., [date of publication not identified]
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The medical directory 1989 : part 1
Longman, 1989
Buku Referensi
The Medical directory 1989 : part 2
Longman, 1989
Buku Referensi
Directory of UK Universities, Colleges and Schools 2002/2003
The British Council,
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Consultants and consulting organizations directory : a reference guide to concerns and individuals engaged in consultation for business, industry, and government
edited by Janice McLean
Gale Research, 1991
Buku Referensi